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= array( '#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#' ); for ($n = 1; // actually.. I don't know what this does. Pad = 0.2; // Padding to maintain manifold rotate_extrude(convexity = 5, $fn = shafthole_faces); // Adapt to a D-shaped hole, set this to zero. ScrewHoleDiameter = 3; difference() { difference.

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